Castro weather in January

January in Castro: nice, a little rain, with clean air — one of the best months to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Castro🇨🇱 Chile · Andean Lakes District · City90
  1. 90Jan
  2. 92Feb
  3. 81Mar
  4. 69Apr
  5. 61May
  6. 51Jun
  7. 53Jul
  8. 56Aug
  9. 65Sep
  10. 74Oct
  11. 79Nov
  12. 86Dec

#2 of 12 months in Castro · #127 of 1413 destinations to visit in January · comfort 90/100 (tier S)

Days
20°C
Nights
11°C
Wet days
9
Sun
11.5 h
Humidity
75%
Daylight
15 h
Castro, Chile
Photo: Joanna · CC BY 2.0

Traveller notes on Castro in January

Other months in Castro

Chile forum threads are blunt that August is deep winter in the south, and the farther south you go the colder and rainier it gets - Chiloé in general and Castro specifically were flagged as not the best pick for a winter visit compared to central Chile. Experiences reported varied widely though: one visitor described an excellent August/September stretch with clear skies for exploring lakes, glaciers and waterfalls, while another reported rain roughly half the time in Castro and found the mood in town noticeably subdued, possibly weather-related. The consistent thread across both takes: come with flexible plans and real rain gear, since which experience you get seems to depend heavily on the specific week.
ChiloeIslandRegular · August · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe Chiloe's weather as genuinely changeable regardless of season - hot and sunny one stretch, cold, rainy and stormy the next, sometimes within the same visit. Posters are candid the experience of Chiloe hinges heavily on the weather cooperating, with a rained-out stay considered a real letdown by some travelers given how much of the appeal is outdoor scenery and hiking. February sits at the height of Chile's summer vacation season, so posters flag genuinely heavier crowds and fuller accommodation as the main practical downside of this specific month, alongside the ever-present weather uncertainty. Castro itself, known for its colorful palafito stilt houses, is consistently named as a solid base for exploring the island's west-coast hiking trails within about an hour's drive.
Tripadvisor community · February · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Castro's card on the map.

Castro climate normals — January

Daytime high20°C / 67°F😎 nice
Nighttime low11°C / 51°F
Feels like (high)19°C / 66°F
Sea temperature15°C / 59°F🥶 cold sea
Rainfall49 mm / 1.9 in🌦 some rain
Rainy days9 days
Humidity75%💧 humid
Dew point10°C / 50°F
Sunshine11.5 h/day
Daylight14.9 h
Wind14 km/h / 8 mph
Air quality (US AQI)19🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Castro in January

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsChiloé summer season, Summer holidays in Chile, school holidays in 3 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Castro's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherCastro's weather peaks December–February.

January includes Puñihuil penguin season.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Castro in January

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Chiloé summer season

    1 Jan – 28 FebSummer season opensCrowdedBook early

    January and February are when the boat trips, the island's small museums and the palafito hotels are all running, and all full. It is also the only stretch of the year with more dry days than wet.

  • Nature

    Puñihuil penguin season

    15 Sep – 31 Mar · usuallyBirdlife season

    Humboldt and Magellanic penguins nest together on the Puñihuil islets on the Pacific side of the island, seen from small boats off the beach. It is a day out from Castro via Ancud; December to February is best. Source ↗

What's on around the world in January →

Nearby, and something's on

Within 300 km of Castro — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Castro?

Loading map…

Castro in January — FAQ

Is January a good time to visit Castro?
January in Castro: nice, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Castro on SeasonMap's comfort score (90/100).
What is the weather like in Castro in January?
In January, Castro averages a daily high of 19.5°C and a low of 10.7°C, with about 49.4 mm of rain over roughly 8.7 rainy days.
What is the air quality in Castro in January?
Castro has a mean US Air Quality Index of about 19 in January.

Within 300 km: San Carlos de Bariloche's Lupins on the roadsides around 15 Nov – 10 Jan.